Chemical Changes And Structures-Trends In The Periodic Table Page 3
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36. (a) Atoms of different elements have different attractions for bonded electrons.
What term is used as a measure of the attraction an atom involved in a bond has
for the electrons of the bond?
(b) Atoms of different elements are different sizes.
What is the trend in atomic size across the period from sodium to argon?
(c) Atoms of different elements have different ionisation energies.
Explain clearly why the first ionisation energy of potassium is less than the
first ionisation energy of sodium.
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